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Serga [27]
2 years ago
11

Brainliest, HELP pleasee, and explain how you get your answer GOOD please.

Mathematics
2 answers:
kotykmax [81]2 years ago
8 0

Answer:

A and B

Step-by-step explanation:

stellarik [79]2 years ago
6 0

QUESTION A:

Find the GCD (or HCF) of numerator and denominator

GCD of 15 and 30 is 15

Divide both the numerator and denominator by the GCD

15 ÷ 15

30 ÷ 15

Reduced fraction:

1/2

Therefore, 15/30 simplified to lowest terms is 1/2.

Thus, <u>option d</u> is your answer

QUESTION B:

Find the GCD (or HCF) of numerator and denominator

GCD of 12 and 3 is 3

Divide both the numerator and denominator by the GCD

12 ÷ 3

3 ÷ 3

Reduced fraction:

4/1

Therefore, 12/3 simplified to lowest terms is 4/1 or 1/4.

Thus <u>option a</u> is your answer

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An arrow is shot vertically upward at a rate of 240 feet per second from ground level. Use the projectile formula to determine w
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Answer:

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Step-by-step explanation:

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The arrow goes up and come back to the same starting position. So, initial position is same as that of final position.

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The displacement of the arrow is given as:

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0=73.152\timests t-\frac{1}{2} \times9.8 \times t^{2}

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4.9\times t=73.152

t=\frac{73.152}{4.9}= 14.92\ s

∴ After 14.92 seconds, the arrow hits the ground.

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